Vat Black 8

还原黑8

Also known as: C.I. Vat Black 8, C.I. 71000, Vat Grey M, 1H-benz[6,7]indazolo[2,3,4-fgh]naphth[2'',3'':6',7']indolo[3',2':5,6]anthra[2,1,9-mna]acridine-2,7,10,15-tetrone, Benzadone Grey M, Caledon Grey M, Dycosthren Grey M, Grey M, Hibeithrene Grey M, Indanthren Grey M, Mikethrene Grey M, Nihonthrene Grey M, Novatic Grey M, Ostanthren Grey M, Paradone Grey M

Vat Black 8 (CAS 2278-50-4) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C45H19N3O4 and a molecular weight of 665.65000 g/mol. It is also known as C.I. Vat Black 8, C.I. 71000 and Vat Grey M. Key properties include a boiling point of 685.55°C (rough estimate) and a density of 1.69 g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
2278-50-4
Jingsj CID
J-1378887-2
Molecular Formula
C45H19N3O4
Chinese Name
还原黑8
Molecular Weight
665.65000 g/mol
Category
Organic Compounds
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point685.55°C (rough estimate)
Density1.69 g/cm3

Frequently Asked Questions

What is the CAS number of Vat Black 8?

The CAS number of Vat Black 8 is 2278-50-4.

What are the molecular formula and molecular weight of Vat Black 8?

Vat Black 8 has molecular formula C45H19N3O4 and molecular weight 665.65000 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Vat Black 8 (CAS 2278-50-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1378887-2 (accessed 2026-10-25).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.